Ok so I have a problem connecting my VEX Cortex, the VEXNet is green but the ROBOT is red. Everytime I try and compile and download the program it gives me this error 'Connot communicate with VEX Cortex SlaveCPU. Master CPU communication is working.' Please help me with this error.

-Grayson

Tue Mar 05, 2013 11:28 am

JohnWatson

Site Admin

Joined: Thu May 24, 2012 12:15 pmPosts: 701

Re: Communication with VEX Cortex SlaveCPU. Master CPU worki

For this particular problem, try downloading the ROBOTC firmware to the Cortex (navigate to the 'Robot -> Download Firmware -> Automatically Update VEX Cortex' menu option in ROBOTC). This should update the user CPU and eliminate that error.

We have a ROBOTC wiki guide that can walk you through this process step-by-step, which can be found here.

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